Copper
Tungsten
Chromium
Aluminium
✅ The correct answer is option B.
Fluid Mechanics MCQs
Co-efficient of velocity is __________ the coefficient of discharge.
Less than
More than
Equal to
Not related to
✅ The correct answer is option B.
Cd is always __________ Cc.
Greater than
Less than
Equal to
Either more or less than
✅ The correct answer is option A.
Air vessel provided in a reciprocating pump
Smoothens the flow by avoiding pulsations
Increases the volumetric efficiency of the pump
Saves the pump from the danger of cavitation
None of these
✅ The correct answer is option D.
Molten soap mass is transported by a __________ pump.
Diaphragm
Reciprocating
Gear
Centrifugal
✅ The correct answer is option D.
Permanent pressure loss in a well designed venturimeter is about __________ percent of the venturi differential.
1
10
30
50
✅ The correct answer is option B.
Which of the following may be termed as a variable orifice flowmeter?
Rotameter
Pitot tube
V-notch
All of the above
✅ The correct answer is option A.
What is the normal range of exit cone angle of a venturimeter?
2 to 5
7 to 15
15 to 25
>25
✅ The correct answer is option B.
Discharge in laminar flow through a pipe varies
As the square of the radius
Inversely as the pressure drop
Inversely as the viscosity
As the square of the diameter
✅ The correct answer is option A.
Which of the following is the most common pump for pumping either raw sewage or sludge?
Electromagnetic pump
Centrifugal pump
Reciprocating pump
Gear pump
✅ The correct answer is option C.